When was "Plasma ring stone" created?

This artwork was created 1st century BCE–3rd century CE.

Is "Plasma ring stone" in the public domain?

Yes, Plasma ring stone is in the public domain and available for free download under CC0 license.

Unknown Artist

1st century BCE–3rd century CE

Medium

Plasma

Dimensions

Length: 7/16 in. (1.1 cm)

Classification

Gems

Culture & Period

Roman · Late Republican or Imperial

Department

Greek and Roman Art

Museum

Metropolitan Museum of Art, New York, NY

Credit

Gift of John Taylor Johnston, 1881

Accession Number

81.6.92